All the pics of the tops that I have seen don't seem to include a rear window which makes it impossible to wash the car or drive it inclement weather. Once more, have the tops been tested at high speeds. I remember when the tops for the Viper came out and they would fly off and speeds over 100mph. With the cost of this conversion, I do hope they test the tops at high speeds and that it comes with a rear window so it can be driven in all weather conditions.